3 years ago

What is used to measure heat?

Physics

2 answers:

Ghella [55]3 years ago

7 0

Answer:

Change in temperature

Explanation:

did this on edge yesterday and that was the answer

Tcecarenko [31]3 years ago

4 0

Answer:

change in temperature

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Aliens slowing down to observe Earth often are distracted by lighthouses. As aliens pass Earth in their spaceship they notice a

Colt1911 [192]

Answer:

The value is $v = 0.8587 c$

Explanation:

From the question we are told that

The time taken as seen by aliens $T = 8.0 \ s$

The time taken as seen by attendant $T_1 = 4.1 \ s$

Generally from the dilation of time equation we have that

$T = \frac{T_1}{ \sqrt{ 1 - \frac{v^2}{c^2} } }$

Here c is the speed of light

v is the speed of the alien ship

=> $8 = \frac{4.1}{ \sqrt{ 1 - \frac{v^2}{c^2} } }$

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=> $v = 0.8587 c$

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